HomelinessYam cuab yeej thiab khoom

Alkyd xim rau kev tiv thaiv txawv chaw

Nyob rau hauv lub niaj hnub ntiaj teb no yog nce rau ntawm kho thiab kev tsim kho rau cov kev pab ntawm alkyd xim, tau txais nws lub npe los ntawm lub resins. Cov yav tas, nyob rau hauv lem, ua raws li ib lub hauv paus txuas neeg. Tom qab kaw pulping txheej txheem ua ib lub hauv paus uas muaj zaub roj thiab acids. Nyob rau hauv kev tensile zog feem xyuam rau txoj rau lub hauv paus feem, uas muaj peev xwm muaj ib tug txawv roj cov ntsiab lus. Yog hais tias cov xim muaj hlau yog alkyd mam li nco dheev qhuav li, nws yog permissible rau dilute nws nrog kerosene los yog kuab. Nws kom qhuav ceev rau ntawm qhov chaw yuav muab ntau zog vim tshwj xeeb additives.

Kiag li tej alkyd xim rau xeb tiv thaiv rau sab hauv thiab sab nraud tej hauj lwm. Zaum nws yuav zoo tau mus thov kom ob lub hlau thiab ntoo nto. Nws yog permissible rau siv nyob rau hauv ntub chaw thiab rau tuav rhuab khoom. Piv txwv li, alkyd-xim yog zoo pov thawj nyob rau hauv kev dab. Tom qab ib co sij hawm tom qab nrag cov khoom noj nyob rau hauv ib tug glossy nto. Rau ib tug me me disadvantage yog cov flammability thiab cov neeg pluag kuj mus alkalis. Txawm li cas los, qhov zoo zoo ntawm cov khoom no yog ua tau ntau npaum li cas.

Ii alkyd xim yog heev yooj yim. Nws yog tsuas tsim nyog los tshem tawm cov hmoov av los ntawm qhov chaw thiab kaw tag nrho cov loj tej kab nrib pleb uas putty. Yog hais tias koj xav kom muab tso rau lub qhov rais los yog qhov rooj ncej, nws yog ntshaw kom tshem tawm cov kev kho vajtse. Xim can nrog ib tug menyuam los yog ib tug dog dig txhuam. Tom qab ceev faj daim ntawv thov, feem ntau yog pheej rov qab ua ua yog tsis yuav tsum tau. Thaum lub sij hawm ua hauj lwm koj yuav tau ua raws li tej yam ceev faj, uas yog qhia nyob rau hauv kev cai yooj yim. Firstly, nws yuav tsum tau xyuas kom muaj hais tias cov xim tsis tau rau hauv koj lub qhov muag. Secondly, nws yuav tsum tau muab tshem tawm los ntawm lub chav tsev tag nrho cov rooj tog thiab tus so ntawm lub tsev neeg cov khoom, ces yuav tsum tsis txhob tsi xam pom cov ntaub ntawv uas cov nqi. Nyob rau hauv cov ntaub ntawv ntawm kev sib cuag nrog cov tawv nqaij nws yuav ntxuav tam sim ntawd nrog solvent.

Tej alkyd xim yuav tsum muaj xws li tus thawj kws driers, ua si lub luag hauj lwm ntawm oxidation catalysts. Nyob rau hauv feem ntau tus neeg mob, ntxiv rau cobalt, manganese, cerium, hlau, zirconium, hmoov txhuas, lithium, thiab lwm yam tshuaj hais. Cov Thawj zaug ntawm lawv - lub feem ntau nrov thawj drier, uas qhia ib tug zoo tshwm sim nyob rau hauv lub tsim ntawm coatings sufficiently uas tsis muaj npaum li cas. Rau topcoats zoo suited cerium, uas, nyob rau hauv sib piv rau tib lub hlau, tsis ua xim hloov. Ib tug ntev lub sij hawm ntawm lub sij hawm ua txoj hauj lwm nyob rau hauv lub hmoov txhuas, tab sis nws twb siv ntau tsawg zaus vim hais tias ntawm lawv cov tshuaj muaj taug.

Thaum ua alkyd xim, nyob rau hauv tas li ntawd mus rau lub yooj yim driers nws yog feem ntau ntxiv mus rau lub koom haum pab hais xws li calcium, zinc thiab barium. Tag nrho lawv lawv tus kheej tsis muaj sikkativiruyuschego txiav txim, tab sis nyob rau hauv nrog cov thawj cov ntsiab yuav ua tau kom qhov kawg khoom. Piv txwv li, barium assumes cov nuj nqi ntawm ib tug tso zis neeg sawv cev, enabling paub gloss. Ua ke nrog cobalt nws yuav muab ceev ceev kom qhuav ntawm tag nrho txheej.

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